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Optimize Chunk Height Maps

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Use an EnumMap for fast key access
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Aikar 2018-08-28 22:12:27 -04:00
parent 615cd59fdc
commit 61f5cf0881
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1 changed files with 22 additions and 0 deletions
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Spigot-Server-Patches/0353-Use-an-EnumMap-for-Chunk-Height-Maps.patch Normal file
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@ -0,0 +1,22 @@
From a3fb16787b296fde8ee82cb76d3a305233d8e5cf Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 28 Aug 2018 22:11:13 -0400
Subject: [PATCH] Use an EnumMap for Chunk Height Maps
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index ed6d0dce33..1d301dcb70 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -133,7 +133,7 @@ public class Chunk implements IChunkAccess {
this.sections = new ChunkSection[16];
this.g = new boolean[256];
this.h = Maps.newHashMap();
- this.heightMap = Maps.newHashMap();
+ this.heightMap = new java.util.EnumMap<>(HeightMap.Type.class); // PAper
this.tileEntities = new TileEntityHashMap(); // Paper
this.p = Maps.newHashMap();
this.q = Maps.newHashMap();
--
2.18.0